Fabrication of microporous cathode materials containing polyaniline–vanadia self-scrolled nanoribbons

Abstract Self-scrolled V 2 O 5 @PANI nanoribbons are obtained in one step by oxidative copolymerization of isopolivanadates and a reduced amount of anilinium salts under ambient conditions, without a hydrothermal treatment. The material reveals a unique structure consisted of nanosized V 2 O 5 –PANI “true hybrid” areas joined with conductive polymer arms providing electric transport within this hierarchic network additionally nanostructured by self-scrolling. Microporosity of the material provides an enhanced surface area of 60 m 2 /g while the flexible polymer links allow the stable intercalation capacity of about 200 mA h/g.